Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Disc Check
Special Tool(s)
Brake/Automobile Brake Drum
System with Vacuum
164-R3622 or equivalent
Dial Indicator/Magnetic Base
100-D002 (D78P-4201-B) or
equivalent
WARNING: Dust and dirt present on wheel brake and clutch assemblies may
...
Stub Shaft Pilot Bearing and Seal
Special Tool(s)
Remover, Bearing Cup
308-047 (T77F-1102-A)
Protector, Differential Seal
(Pair)
205-461
Installer, Differential Oil Seal
205-293 (T89P-4850-A)
Adapter for 303-224 (Handle)
205-153 (T80T-4000-W)
...
Wheel Bearing Check
1. WARNING: The electrical power to the air suspension system must be
shut off prior
to hoisting, jacking or towing an air suspension vehicle. This can be
accomplished by
turning off the air suspension switch. Failure to do so can result in unexpected
infla ...
